Blood pressure is highest in the: - Ans -Arteries
Blood pressure is lowest in the: - Ans -Veins
the lowest pressure is during ventricular diastole when the artery recoils no further; this
value is recorded as the - Ans -diastolic pressure
the systolic blood pressure is the pressure in the vessel during - Ans -ventricular
contraction
when checking your pulse, you are feeling the rhythmic pulsations of ____ through your
arteries - Ans -blood
The resistance of a fluid to its flow is called - Ans -viscosity
blood pressure ________ when sympathetic innervation causes vasoconstriction of the
arterioles - Ans -increases
the two main peripheral chemoreceptors are the ________ and ________ - Ans -aortic
bodies
carotid bodies
blood pressure in the venules is _____ mm Hg and almost _____ mm Hg by the time blood
travels through the inferior vena cava to the right atrium of the heart - Ans -20, 0
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, the ________ muscle pump enables veins located between muscles groups to be squeezed
in order to help pump blood toward the heart - Ans -skeletal
True or false: changes in the blood pressure gradient are directly correlated with changes in
total blood flow - Ans -true
the amount of friction the blood experiences as it travels through the blood vessels is
called: - Ans -resistance
the term ________ resistance is typically used when discussing the resistance of blood in
the blood vessels - Ans -peripheral
what factors would increase blood viscosity? - Ans -increased erythrocytes
dehydration
_____ vessel length _____ resistance - Ans -increasing, increases
True or false: if a person gains a large amount of body fat, the body must produce miles of
additional vessel length by angiogenesis - Ans -True
if vessel radius ________, relatively more blood flows near the edges and overall blood flow
________ - Ans -decreases, decreases
as the blood pressure gradient decreases, ______ ______ flow lessens - Ans -total
blood
2
A(n) ________ in cardiac output will decrease the blood pressure gradient - Ans -
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decrease